Orbital Astronautics UK nanosatellite manufacturer building small satellites and subsystems for constellation operations Portal Space Systems Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operations 
| Orbital Astronautics | Portal Space Systems | |
|---|---|---|
| Founded | 2017 | 2021 |
| Headquarters | UK, United Kingdom | Bothell, Washington |
| Type | private | private |
| Status | operating | operating |
| Employees | 12 | 22 |
| Total funding | — | — |
| Latest round | — | Series A |
| Sectors | Satellite Manufacturing, Satellite Components & Subsystems, Space Propulsion | Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion |
| Products listed | 15 | 3 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | — | Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran |
| News mentions | 0 | 25 |
How do Orbital Astronautics and Portal Space Systems compare?
Both companies work in Satellite Manufacturing, Space Propulsion. Orbital Astronautics was founded in 2017 and Portal Space Systems in 2021.
Which is larger, Orbital Astronautics or Portal Space Systems?
Portal Space Systems reports the larger workforce, with 22 employees versus 12.